Home / 27,620.56-41,425.04-8,902.28

Finding the Fourth Proportional to 27,620.56, 41,425.04 and 8,902.28

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Solution

The fourth proportional to 27,620.56, 41,425.04 and 8,902.28 is: 13,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.56 : 41,425.04 = 8,902.28 : x
  2. Step 2: Convert to fraction form
    27,620.56/41,425.04 = 8,902.28/x
  3. Step 3: Cross multiply
    27,620.56x = 41,425.04 × 8,902.28
  4. Step 4: Simplify right side
    27,620.56x = 368,777,305.09
  5. Step 5: Solve for x
    x = 368,777,305.09/27,620.56
  6. Step 6: Final answer
    x = 13,351.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.